#include"mybuffer.h"



int main()
{
  _FILE* fp = _fopen("test.txt","a");

  char* str = "asfdasfdsa\n";
  int cnt = 10;
  while(cnt--)
  {
    _fwrite(fp,str,strlen(str));
  }
 
  _fclose(fp);
  return 0;
}
